Patents by Inventor Yu-Pi Chen

Yu-Pi Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • U type gripper
    Patent number: D475585
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: June 10, 2003
    Inventor: Yu-Pi Chen
  • Circular arc handle
    Patent number: D492490
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: July 6, 2004
    Inventor: Yu-Pi Chen